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Acid chromium containing wastewater from electroplating industry pollutes the environment

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Acid chromium containing wastewater from electroplating industry pollutes the environment
Cost Analysis of Water Pollution Control: an Annotated ...
Cost Analysis of Water Pollution Control: an Annotated ...

operating data for a pilot plant waste treating operation is described. a 5000-gal holding tank (for cooling wastes) and a 10,000-gal extended aeration activated sludge tank (including a 1670- gal settling unit) were ,used to treat, loadings of 7,250 to 10,500 gal per day of …

Heavy metal pollution in the environment and their ...
Heavy metal pollution in the environment and their ...

1/9/2020, · The tertiary treatment is the last step and consists of the removal of phosphates and nitrates from the water supply. This process usually uses, activated carbon and sand, to help in removing the contaminants. These are the basic steps used in sewage treatments depending on what the sewage contains and where it is being processed.

(PDF) Nanofiltration for water and wastewater treatment ...
(PDF) Nanofiltration for water and wastewater treatment ...

The application of membrane technology in water and ,wastewater, treatment is increasing due to stringent water quality standards. Nanofiltration (NF) is one of the widely ,used, membrane processes ,for water and wastewater treatment, in addition to other

Journal: Chemosphere / Publication Year: 2017 / Source ...
Journal: Chemosphere / Publication Year: 2017 / Source ...

Photocatalytic fuel cell (PFC) is a potential ,wastewater, treatment technology that can generate electricity from the conversion of chemical energy of organic pollutants. An immobilized ZnO/Zn fabricated by sonication and heat attachment method was applied as the photoanode and Pt/C plate was ,used, as the cathode of the PFC in this study.

(PDF) Remarks on Recent Developments in the Chemical Oxido ...
(PDF) Remarks on Recent Developments in the Chemical Oxido ...

The reduction may be realized with bivalent, iron, or sulfuric acid in an acid medium. Reducin g agents [3]currently used in practice are the salts of biv ale nt iron, sulphites, sulphurous acid and...

Department of Chemical Engineering & Materials Science ...
Department of Chemical Engineering & Materials Science ...

Previous Next About Academics Faculty Facilities Research Activities Achievements India is transforming and repositioning herself globally in her infrastructure, industries, environment, energy and economy. Chemical engineering is one of the disciplines leading and shaping this transformation at the forefront.

(PDF) Nanofiltration for water and wastewater treatment ...
(PDF) Nanofiltration for water and wastewater treatment ...

The application of membrane technology in water and ,wastewater, treatment is increasing due to stringent water quality standards. Nanofiltration (NF) is one of the widely ,used, membrane processes for water and ,wastewater, treatment in addition to other

US9487624B2 - Method for recovery of stabilized ...
US9487624B2 - Method for recovery of stabilized ...

Method for recovery of stabilized polyhydroxyalkanoates from biomass that has been ,used to treat, organic waste

Characteristics of biofilm attaching to carriers in moving ...
Characteristics of biofilm attaching to carriers in moving ...

Biofilm processing is one of the two wastewater biochemical treatment processes (the other being activated sludge process) commonly used in environmental engineering. The moving bed biofilm reactor (MBBR) is one kind of biofilm wastewater treatment process, characterized by insignificant head loss, no requirement for periodic backwashing, and no susceptibility to clogging (Rusten et al ., 2006 ).

'Bugs' used to treat FGD wastewater - ResearchGate
'Bugs' used to treat FGD wastewater - ResearchGate

For this purpose, the, biomasses, were subjected to physical treatments such as, heat and autoclaving, and chemical treatments such as sodium hydroxide and acetic acid.

Ferric salts reduce arsenic in mine effluent by combining ...
Ferric salts reduce arsenic in mine effluent by combining ...

Chemical-biological, treatment, of, wastewater, holds the promise of being more economical than either chemical or biological, treatment,, alone. Combined, treatments, have been approached from two directions: Biological, treatment, in situin tailings ponds followed by chemical, treatment, as more of …

Unit operations used to treat process and/or waste streams ...
Unit operations used to treat process and/or waste streams ...

1/1/1981, · Physical Methods for Wet Waste Presently, at LWR plants, the most frequently used unit operations which employ physical or mechanical methods for treating process and LLW liquids are, evaporation, and, filtration., Used to a lesser extent are, centrifugation, reverse osmosis,, and, ultrafiltration. Evaporation.

Journal of Hazardous Materials Journal Impact IF 2020-2021 ...
Journal of Hazardous Materials Journal Impact IF 2020-2021 ...

Effects of sludge thermal-,alkaline, pretreatment on cationic red X-GRL adsorption onto ... Growth inhibition of rice (Oryza sativa L.) seedlings in Ga- and In-contaminated ,acidic, soils is respectively caused by Al ... In vitro toxicity evaluation of new ,silane,-modified clays and the migration extract from a …

ACS Applied Materials & Interfaces | Ahead of Print
ACS Applied Materials & Interfaces | Ahead of Print

Pair your accounts. Export articles to Mendeley. Get article recommendations from ACS based on references in your Mendeley library.

ACS Sustainable Chemistry & Engineering Journal Impact IF ...
ACS Sustainable Chemistry & Engineering Journal Impact IF ...

The ,ACS Sustainable Chemistry & Engineering, Journal Impact IF 2020-2021 is 7.632. More IF Analysis, Trend, Ranking & Prediction.

Cost Analysis of Water Pollution Control: an Annotated ...
Cost Analysis of Water Pollution Control: an Annotated ...

operating data for a pilot plant waste treating operation is described. a 5000-gal holding tank (for cooling wastes) and a 10,000-gal extended aeration activated sludge tank (including a 1670- gal settling unit) were ,used to treat, loadings of 7,250 to 10,500 gal per day …

Characteristics of biofilm attaching to carriers in moving ...
Characteristics of biofilm attaching to carriers in moving ...

Biofilm processing is one of the two ,wastewater, biochemical treatment processes (the other being activated sludge process) commonly ,used, in environmental engineering. The moving bed biofilm reactor (MBBR) is one kind of biofilm ,wastewater, treatment process, characterized by insignificant head loss, no requirement for periodic backwashing, and no susceptibility to clogging (Rusten et al ., 2006 ).

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